diff --git a/arch/ppc/configs/ml300_defconfig b/arch/ppc/configs/ml300_defconfig
index 69bad91a6b656d5504f112147fa7d43d4054b46c..d66cacdb95be69d0090e11ac27f4b8a665b9a5e9 100644
--- a/arch/ppc/configs/ml300_defconfig
+++ b/arch/ppc/configs/ml300_defconfig
@@ -719,7 +719,7 @@ CONFIG_DEBUG_INFO=y
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_KGDB is not set
-CONFIG_XMON=y
+# CONFIG_XMON is not set
 # CONFIG_BDI_SWITCH is not set
 # CONFIG_SERIAL_TEXT_DEBUG is not set
 
diff --git a/arch/ppc/configs/ml403_defconfig b/arch/ppc/configs/ml403_defconfig
index a78896ea456066ecbfea77d066a99cbf99f4e311..71bcfa7ab7f7f11edde0c48128fa7b35dd4326d9 100644
--- a/arch/ppc/configs/ml403_defconfig
+++ b/arch/ppc/configs/ml403_defconfig
@@ -720,7 +720,7 @@ CONFIG_DEBUG_INFO=y
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_KGDB is not set
-CONFIG_XMON=y
+# CONFIG_XMON is not set
 # CONFIG_BDI_SWITCH is not set
 # CONFIG_SERIAL_TEXT_DEBUG is not set